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參數(shù)資料
| 型號(hào)： | TA1316AN |
| 廠商： | Toshiba Corporation |
| 英文描述： | YCbCr/YPbPr Signal and Sync Processor for Digital TV, Progressive Scan TV and Double Scan TV |
| 中文描述： | YCbCr /色差信號(hào)處理器和同步數(shù)字電視，逐行掃描電視和雙掃描電視 |
| 文件頁數(shù)： | 102/115頁 |
| 文件大小： | 1399K |
| 代理商： | TA1316AN |
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TA1316AN
2002-10-04
102
Note
No.
Parameter
Test Method
HA03 Polarity detection
range
(1) Set sub-address (00) data to 40H.
(2) Input signal b (as shown in figure below) to TP16.
(3) Decrease signal b duty from 10% (to shorter negative polarity period) and determine signal b
duty (HD
DUTY1
) when pin 16 input signal phase no longer locks with that of pin 26 (H-OUT).
(4) Increase signal b duty from 10% (to longer negative polarity period) and determine signal b
duty (HD
DUTY2
) when pin 24 (FBP IN) phase changes in relation to signal b.
(5) Further increase signal b duty (to longer negative polarity period) and determine signal b duty
(HD
DUTY3
) when pin 16 input signal phase no longer locks with that of pin 26 (H-OUT).
(6) Decrease signal b duty from 90% (to shorter negative polarity period) and determine signal b
duty (HD
DUTY4
) when pin 24 (FBP IN) phase changes in relation to signal b.
Duty
=
A/B
×
100% (0%~100%)
HA04 Sync input threshold
amplitude
(1)
Set sub-address (00) to 82H and TEST mode to 01.
(2) Apply external voltage via 20 k
to pin 14.
(3) Set external voltage to 0 V and monitor pin 14 pin voltage SYNC_TIP_00.
Also check that pin 28 pin voltage is L.
(4) By increasing external voltage SYNC_OFF_00, monitor pin 14 SYNC IN pin voltage when pin
28 DAC1 pin voltage becomes H.
(5) Determine SYNC input level at SYNC separation level 00 as follows:
V
ths00
=
(SYNC_OFF_00
SYNC_TIP_00) /0.286
×
100
(6) Set SYNC separation level from 01 to 10 to 11, and determine V
ths01
, V
ths10
and V
ths11
.
V
ths01
=
(SYNC_OFF_01
SYNC_TIP_01) /0.286
×
100
V
ths10
=
(SYNC_OFF_10
SYNC_TIP_10) /0.286
×
100
V
ths11
=
(SYNC_OFF_11
SYNC_TIP_11) /0.286
×
100
31.75
μ
s
1.5 V
Signal b
A
B
1H
Pin 14
0.08H
40 IRE
(
=
286
mV
p-p
)
Pin 28
(SYNC output Mode)
Sync Tip level
Sync Sepa level
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